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8 E ECTRIC C
8 6 ERR R C DES A D QUERY
Priority
1
Rcfrigerant leak error
2
Emergency shut down
3
No address is set
IDU address code repeated
4
displayed alternately every 1s
5
Mode conflict error
6
Communication error between IDU and ODU
7
T1 sensor error
8
T2 sensor error
9
T2B sensor error
10
T2A sensor error
11
IDU fan error
12
EEPROM error
13
TA sensor error
Communication error with the wired controler,
14
or no address is setted
15
Error of electronic expansion valve coils
ODU error
17
Water level alarm error
18
Low temperature alarm
19
High temperature alarm
20
The number of detected AHU control boxes and the
21
number of dialing units are inconsistent,
or Master-slave communication is not available
Capacity DIP switch of the AHU control box is
22
inconsistent with model
(ENC2,ENC3,ENC4)incorrect DIP switch for 0-10V
fan signal.The DIP switch value ensures
23
ENC2< ENC3< ENC4.
24
Pressure sensor error
25
MS error mode
MS self-check error
26
27
Slave unit error
pag 34
ECTI
S
Definition
F7+repeated address,
Displayed content
A1
A0
FE (only displayed on the display board)
F7+repeated address
E0
E1
E2
E3
E4
E5
E6 (reserved)
E7
E8 (the error is not reported when return air temperature
control is applied)
E9 (only for wired controler)
Eb (restore after power on again)
Ed
EE
H2
H3
H6
H8 (restore after power on again)
H9 (restore after power on again)
P1 (reserved)
F8
U4 (restore after power on again)
Hb
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